Bupleurum - Key Growing Information

The green and gold blooms of bupleurum blooms showing their colors.

DAYS TO GERMINATION:

14-21 days at 55-60°F (13-16°C)

SOWING:

Transplant - Sow into 128- or 72-cell plug flats or preferred seedling container 5-8 weeks before planting out. 128-cell plugs require 5-7 weeks, and 72-cell plugs require 6-8 weeks of growing to mature transplant. Harden off seedlings before transplanting out. Direct seed - Sow into cool soil for best results. Cover seeds with 1/4" soil. Thin as needed once true leaves appear.

LIGHT PREFERENCE:

Sun/Part Shade.

PLANT HEIGHT:

24-36".

PLANT SPACING:

4-10". Support may be necessary in windy locations.

HARDINESS ZONES:

Annual.

HARVEST:

Fresh - Flower heads begin to show color. Dried - Flowers completely open; hang to dry.

SOIL REQUIREMENTS:

Average, well-drained soil.

USES:

Excellent as fresh cut or dried flower. Bouquet filler. Provides interest and height at back of flower beds.

SCIENTIFIC NAME:

Bupleurum rotundifolium

ALTERNATE NAMES:

Thoroughwax, hare's ear